package com.example.注解和反射;

import java.lang.reflect.Constructor;
import java.lang.reflect.Field;
import java.lang.reflect.Method;

//获得类的信息
public class Test07 {
    public static void main(String[] args) throws ClassNotFoundException, NoSuchFieldException, NoSuchMethodException {
        Class c1 = Class.forName("com.example.注解和反射.reflection.User");

        //获得类的名字
        System.out.println(c1.getName());
        System.out.println(c1.getSimpleName());

        //获得类的属性
        System.out.println("==========");
        Field[] fields = c1.getFields();//只能找到public属性
        fields=c1.getDeclaredFields();//找到所有属性
        for (Field field : fields) {
            System.out.println(field);
        }
        System.out.println("==========");
        //获得指定属性的值
        Field name = c1.getDeclaredField("name");
        System.out.println(name);

        //获得类的方法
        System.out.println("==========");
        Method[] methods = c1.getMethods();//获得本类及其父类的全部public方法
        for (Method method : methods) {
            System.out.println("正常的:"+method);
        }
        methods = c1.getDeclaredMethods();//获取本类的所有方法
        for (Method method : methods) {
            System.out.println("getDeclaredMethods:"+method);
        }

        System.out.println("==========");
        //获取指定方法
        Method getName = c1.getMethod("getName", null);
        Method setName = c1.getMethod("setName", String.class);
        System.out.println(getName);
        System.out.println(setName);

        System.out.println("==========");
        //获取指定的构造器
        Constructor[] constructors = c1.getConstructors();
        for (Constructor constructor : constructors) {
            System.out.println(constructor);
        }
        constructors=c1.getDeclaredConstructors();
        for (Constructor constructor : constructors) {
            System.out.println("#"+constructor);
        }

        System.out.println("==========");
        //获得指定构造器
        Constructor declaredConstructor = c1.getDeclaredConstructor(Integer.class, String.class, String.class);
        System.out.println("指定构造器："+declaredConstructor);


    }
}
